user
Below is an instruction that describes a task, paired with an input that provides further context. Write a response that appropriately completes the request.

### Instruction:
Construct a valid argument.

### Input:
Multiple scientists have confirmed the existence of climate change, but some politicians deny it.

### Response:
assistant
Given that multiple scientists have concluded that climate change is real and observable, it is illogical for some politicians to continue denying its existence.